Here's the definition that's on our security deposit page, which doesn't get into the nitty-gritty: Normal wear and tear is a term that Wisconsin law does not define.
(3)Protein Fat-Free Percentage, Protein Fat-Free Content, PFF Percentage, PFF Content or PFF of a product means the meat protein (indigenous to the raw, unprocessed pork cut) content expressed as a percent of the non-fat portion of the finished product.
In the Chinese restaurants, Beef is beef, pork is pork, chicken is chicken, seafood is seafood. Veggies are veggies. It's actually illegal in the US to serve dog or cat to consumers. I am not sure what the codes are in your area as you didn't say where you lived.